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服务器: localhost »数据库: information_schema »视图: SYSTEM_VARIABLES
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正在显示第 0 - ... 此视图的行数最少有这么多。请参阅档案 行 (查询花费 0.0049 秒。) [GLOBAL_VALUE_ORIGIN: AUTO... - COMPILE-TIME...]
SELECT * FROM `SYSTEM_VARIABLES`  
ORDER BY `SYSTEM_VARIABLES`.`GLOBAL_VALUE_ORIGIN` ASC
VARIABLE_NAMESESSION_VALUEGLOBAL_VALUEGLOBAL_VALUE_ORIGIN 递增 递减 1DEFAULT_VALUEVARIABLE_SCOPEVARIABLE_TYPEVARIABLE_COMMENTNUMERIC_MIN_VALUENUMERIC_MAX_VALUENUMERIC_BLOCK_SIZEENUM_VALUE_LISTREAD_ONLYCOMMAND_LINE_ARGUMENT
REPORT_PORT NULL3306 AUTO 0 GLOBAL INT UNSIGNED Port for connecting to slave reported to the maste... 0 4294967295 1 NULLYES REQUIRED
THREAD_POOL_SIZE NULL1 AUTO 8 GLOBAL INT UNSIGNED Number of thread groups in the pool. This paramete... 1 100000 1 NULLNO REQUIRED
CHARACTER_SETS_DIR NULL/opt/lampp/share/charsets/ AUTO GLOBAL VARCHAR Directory where character sets are NULLNULLNULLNULLYES REQUIRED
LOWER_CASE_FILE_SYSTEM NULLOFF AUTO NULLGLOBAL BOOLEAN Case sensitivity of file names on the file system ... NULLNULLNULLOFF,ON YES NULL
TABLE_DEFINITION_CACHE NULL400 AUTO 400 GLOBAL BIGINT UNSIGNED The number of cached table definitions 400 524288 1 NULLNO REQUIRED
HOST_CACHE_SIZE NULL279 AUTO 128 GLOBAL BIGINT UNSIGNED How many host names should be cached to avoid reso... 0 65536 1 NULLNO REQUIRED
OPEN_FILES_LIMIT NULL65535 AUTO 0 GLOBAL BIGINT UNSIGNED If this is not 0, then mysqld will use this value ... 0 4294967295 1 NULLYES REQUIRED
MAX_LONG_DATA_SIZE NULL1048576 AUTO 1048576 GLOBAL BIGINT UNSIGNED The maximum BLOB length to send to server from mys... 1024 4294967295 1 NULLYES REQUIRED
SLAVE_LOAD_TMPDIR NULL/tmp AUTO GLOBAL VARCHAR The location where the slave should put its tempor... NULLNULLNULLNULLYES REQUIRED
LOG_TC_SIZE NULL24576 AUTO 24576 GLOBAL BIGINT UNSIGNED Size of transaction coordinator log. 12288 18446744073709551615 4096 NULLYES REQUIRED
MAX_RELAY_LOG_SIZE 1073741824 1073741824 AUTO 1073741824 SESSION BIGINT UNSIGNED relay log will be rotated automatically when the s... 4096 1073741824 4096 NULLNO REQUIRED
BACK_LOG NULL80 AUTO 150 GLOBAL BIGINT UNSIGNED The number of outstanding connection requests Mari... 0 65535 1 NULLYES REQUIRED
KEY_CACHE_SEGMENTS NULL0 COMPILE-TIME 0 GLOBAL BIGINT UNSIGNED The number of segments in a key cache 0 64 1 NULLNO REQUIRED
WSREP_NODE_NAME NULLizhp39hn5gsepj8ayfapbgz COMPILE-TIME izhp39hn5gsepj8ayfapbgz GLOBAL VARCHAR Name of this node. This name can be used in wsrep_... NULLNULLNULLNULLNO REQUIRED
SQL_MODE NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION COMPILE-TIME NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION SESSION SET Sets the sql mode NULLNULLNULLREAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_S... NO REQUIRED
PERFORMANCE_SCHEMA_EVENTS_WAITS_HISTORY_LONG_SIZE NULL-1 COMPILE-TIME -1 GLOBAL BIGINT Number of rows in EVENTS_WAITS_HISTORY_LONG. Use 0... -1 1048576 1 NULLYES REQUIRED
PERFORMANCE_SCHEMA_MAX_COND_CLASSES NULL80 COMPILE-TIME 80 GLOBAL BIGINT UNSIGNED Maximum number of condition instruments. 0 256 1 NULLYES REQUIRED
PERFORMANCE_SCHEMA_MAX_COND_INSTANCES NULL-1 COMPILE-TIME -1 GLOBAL BIGINT Maximum number of instrumented condition objects. ... -1 1048576 1 NULLYES REQUIRED
INNODB_LOG_BLOCK_SIZE NULL512 COMPILE-TIME 512 GLOBAL BIGINT UNSIGNED ###EXPERIMENTAL###: The log block size of the tran... 512 65536 0 NULLYES REQUIRED
PERFORMANCE_SCHEMA_MAX_RWLOCK_CLASSES NULL40 COMPILE-TIME 40 GLOBAL BIGINT UNSIGNED Maximum number of rwlock instruments. 0 256 1 NULLYES REQUIRED
INNODB_FLUSH_LOG_AT_TIMEOUT NULL1 COMPILE-TIME 1 GLOBAL INT UNSIGNED Write and flush logs every (n) second. 0 2700 0 NULLNO OPTIONAL
VERSION_SSL_LIBRARY NULLOpenSSL 1.0.2n  7 Dec 2017 COMPILE-TIME NULLGLOBAL VARCHAR Version of the used SSL library NULLNULLNULLNULLYES NULL
INNODB_SCRUB_LOG NULLOFF COMPILE-TIME OFF GLOBAL BOOLEAN Enable background redo log (ib_logfile0, ib_logfil... NULLNULLNULLOFF,ON YES OPTIONAL
INNODB_FT_SERVER_STOPWORD_TABLE NULLCOMPILE-TIME GLOBAL VARCHAR The user supplied stopword table name. NULLNULLNULLNULLNO OPTIONAL
MAX_SP_RECURSION_DEPTH 0 0 COMPILE-TIME 0 SESSION BIGINT UNSIGNED Maximum stored procedure recursion depth 0 255 1 NULLNO OPTIONAL


mysqli_real_connect(): (HY000/1045): Access denied for user 'pma'@'localhost' (using password: NO)
使用配置文件中定义的控制用户连接失败。